1. | Jan Dirks Jongsma was born about 1843 in Wons, Wonseradeel, FR, NLD. Jan married Tettje Harmens Koopmans on 04 May 1867 in Wonseradeel, FR, NLD. Tettje (daughter of Harmen Pieters Koopmans and Aafke Rommerts Politiek) was born about 1843 in Pingjum, Wonseradeel, FR, NLD. [Group Sheet] [Family Chart]
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2. | Harmen Jans Jongsma ![]() Harmen married Maaike Reinders Kuperus on 03 Apr 1901 in Idaarderadeel, FR, NLD. Maaike (daughter of Reinder Nannes Kuperus and Hijke Tjisses Koldijk) was born on 20 Nov 1870 in Roordahuizum, Idaarderadeel, FR, NLD. [Group Sheet] [Family Chart]
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3. | Jan Harmens Jongsma ![]() |
4. | Reina Harmens Jongsma ![]() |